Home / 6,341.60-8,751.40-3,547.12

Finding the Fourth Proportional to 6,341.60, 8,751.40 and 3,547.12

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Solution

The fourth proportional to 6,341.60, 8,751.40 and 3,547.12 is: 4,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.60 : 8,751.40 = 3,547.12 : x
  2. Step 2: Convert to fraction form
    6,341.60/8,751.40 = 3,547.12/x
  3. Step 3: Cross multiply
    6,341.60x = 8,751.40 × 3,547.12
  4. Step 4: Simplify right side
    6,341.60x = 31,042,265.97
  5. Step 5: Solve for x
    x = 31,042,265.97/6,341.60
  6. Step 6: Final answer
    x = 4,895.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.